From: Varun Prakash <varun@chelsio.com>
Date: Thu, 15 Sep 2016 15:50:11 +0000 (+0530)
Subject: iscsi-target: fix iscsi cmd leak
X-Git-Tag: v4.9-rc2~3^2~9
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1a40f0a36fb669226f0fd29aaece5ff7b6399e80;p=linux.git

iscsi-target: fix iscsi cmd leak

If iscsi-target receives NOP OUT with ITT and TTT
set to 0xffffffff it allocates iscsi_cmd but
does not free the cmd, so free iscsi_cmd in this case.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 1aaf1f3148b2..b7d747e92c7a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1804,6 +1804,10 @@ int iscsit_process_nop_out(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
 	 * Otherwise, initiator is not expecting a NOPIN is response.
 	 * Just ignore for now.
 	 */
+
+	if (cmd)
+		iscsit_free_cmd(cmd, false);
+
         return 0;
 }
 EXPORT_SYMBOL(iscsit_process_nop_out);